- a gateway
- a truncated pyramid, or two of these, serving as a gateway to an Egyptian temple
- any slender, towering structure flanking an entranceway, supporting electric lines, marking a course for aircraft, etc.
- an assembly attached to an airplane, usually under the wing, to hold an engine, fuel tank, weapon, etc.
- Football any of the foam-rubber markers positioned upright at each corner of the end zone
Origin of pylonClassical Greek pyl?n, gateway, akin to pyl?, gate